Open ontology · Version 0.1.0

One system.
Clear concepts.

A machine-readable representation of the Hierarchical Taxonomy of Psychopathology — with stable concept identity, decentralized manifestation suffixes, and versioned factorizations.

Explore documentation → Create a factorization GitHub ↗
0.1.0Current ontology
BetaProject status
MITOpen-source license
01 / Foundation

Structure. Compare.
Harmonize.

Three building blocks make heterogeneous mental-health data comparable while preserving local operational detail.

01↗

Structure

Stable HiTOP base codes for shared concepts that can be referenced across systems and versions.

 02↗

Compare

Versioned factorizations compose the same core concepts into explicit, auditable models.

 03↗

Harmonize

Namespaced suffixes and curated mappings connect local instruments to a common semantic base.
02 / Code system

Identity, clearly decomposed.

One code, two responsibilities: stable concept identity plus an optional decentralized manifestation suffix.

SSSegmentccConceptXXChecksum.MManifest.TTTypeNSNamespaceSLUGLocal name

Example · U0aB2X.M-AF-ROR3J2WQSVQFFIKK-CHRONIC_WORRY

03 / Guided learning
04

Four steps.
One valid result.

Build the structure, write metadata, compose the hierarchy, then validate against the repository schema.

Start the module →
  1. 01Create the scaffoldDirectory and required files
  2. 02Write the meta blockIdentity, status, provenance
  3. 03Compose the hierarchyConcept and collection nodes
  4. 04Validate & compileSchema, tests, exports